What color is #660583?

#660583 is a dark, vivid purple. In RGB it is rgb(102, 5, 131), and in HSL hsl(286, 93%, 27%).

Is #660583 accessible as text?

On white, #660583 has a contrast ratio of 10.97:1 (passes WCAG AA for body text); on black it is 1.91:1 (fails). For text placed on #660583, use white for the best readability.

What is the closest Tailwind color to #660583?

The nearest Tailwind CSS token is purple-900 (#59168B).

What colors go well with #660583?

#660583 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #238505. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #660583 below.

Is #660583 good for buttons?

#660583 works well for buttons and highlights, but use white text on #660583 — black text only reaches 1.91:1, below the 4.5:1 needed for normal-size labels.

Is #660583 the same as CSS purple?

No — #660583 is not the CSS named color purple, but purple (#800080) is the closest CSS named color.

#660583 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #660583

Not just a swatch — here's how #660583 works with other colors. Named schemes with #660583 in its natural role, and a note on why the supporting colors balance it.

Berry & Cream Lead · 5 colors

Lead #660583 Surface #F5E6D7 Anchor #5D203E Accent #E5C2C6 Secondary #332B2F

Purple sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.

Vintage Leather Lead · 5 colors

Lead #660583 Secondary #7E4630 Surface #ECD8C1 Accent #345249 Anchor #592235

Purple plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.

Modern Café Dominant · 5 colors

Dominant #660583 Anchor #3B2922 Surface #F2E2D1 Accent #9E9362 Secondary #3C3733

Purple anchors this café scheme as the warm mid-tone, lifted by latte cream and a muted sage accent and grounded by espresso brown and a warm charcoal.

Minimal Editorial Surface · 5 colors

Surface #F8F4EF Accent #660583 Secondary #785E83 Support #9C9087 Ink #18140F

Purple is the single accent in this high-contrast editorial system — set on near-white paper against near-black ink, with a warm grey and a desaturated tint of Purple carrying the quiet middle.

Tech Product Signal · 5 colors

Signal #660583 Surface #14161A Highlight #F4F6F8 Secondary #5C6573 Accent #873EA3

Purple is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Purple.

Build a working theme in the generator →

Color Lab

How #660583 actually behaves in design work — read from its OKLCH lightness, chroma and hue, not just its raw numbers. Ten signals to help you decide where this color earns its place.

Warmth 46/100

Neutral

Balanced temperature — flexible, sits between warm and cool schemes.

Softness 26/100

Low

Firm and assertive — carries weight and contrast.

Depth 65/100

High

Deep and grounding — anchors a layout, strong dark-mode base.

Naturalness 0/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 29/100

Low

A faint retro warmth without tipping into sepia.

Luxury 62/100

High

Restrained and premium — deep, quiet, high-end packaging and fashion.

Brand distinctiveness 50/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 64/100

High

Strong interactive accent — visible and can carry a legible label.

Surface fit 15/100

Very low

Too saturated or mid-toned for big areas — keep it to accents.

Print safety 79/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #660583

For UI

For branding

For interior

For fashion

People also use #660583 with

Zaffre Byzantium Green Gainsboro Eggplant

UI roles & guardrails

Primary action Safe as a filled button with white label. AAA

Body text Passes on white at 16px and above. Pass

Large display Fine for headings 24px+ on white. Pass

Background Pair with white text at 11.0:1. Use

Subtle surface Use #E7C1F3 for cards and hover fills. Tint 80

Avoid beside #850578 — the hue gap is too small to read as intentional. Clash

In real applications

Not a swatch to memorise — a color to build with. Here is #660583 at work across the surfaces designers actually ship.

Website / UI

Northwind Sign up

Build faster.

A working theme, generated in seconds.

Dashboard

Revenue

$48.2k ▲ 12%

Brand

AVELINE

Studio

Poster

Nov 14 · 8PM

NIGHT
MARKET

Packaging

BLOOM

Botanical Wash

250 ml

Interior

Every model

Export

:root {
  --color-base: #660583;
  --color-base-rgb: 102 5 131;
  --color-base-oklch: oklch(38.3% 0.184 315.5);
  --color-50: #FBF0FE;
  --color-100: #F5D8FD;
  --color-200: #EAB1FC;
  --color-300: #D87CF4;
  --color-400: #C24CE6;
  --color-500: #A629CC;
  --color-600: #80279B;
  --color-700: #5B226D;
  --color-800: #3C1A47;
  --color-900: #25122B;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  purple: {
    50: '#FBF0FE',
    100: '#F5D8FD',
    200: '#EAB1FC',
    300: '#D87CF4',
    400: '#C24CE6',
    500: '#A629CC',
    600: '#80279B',
    700: '#5B226D',
    800: '#3C1A47',
    900: '#25122B',
  },
}

$base: #660583;
$base-ink: #FFFFFF;
$base-50: #FBF0FE;
$base-100: #F5D8FD;
$base-200: #EAB1FC;
$base-300: #D87CF4;
$base-400: #C24CE6;
$base-500: #A629CC;
$base-600: #80279B;
$base-700: #5B226D;
$base-800: #3C1A47;
$base-900: #25122B;
$base-hover: #52046A;
$base-subtle: #DCA0EF;

{
    "color": {
        "base": {
            "value": "#660583",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FBF0FE",
                "type": "color"
            },
            "100": {
                "value": "#F5D8FD",
                "type": "color"
            },
            "200": {
                "value": "#EAB1FC",
                "type": "color"
            },
            "300": {
                "value": "#D87CF4",
                "type": "color"
            },
            "400": {
                "value": "#C24CE6",
                "type": "color"
            },
            "500": {
                "value": "#A629CC",
                "type": "color"
            },
            "600": {
                "value": "#80279B",
                "type": "color"
            },
            "700": {
                "value": "#5B226D",
                "type": "color"
            },
            "800": {
                "value": "#3C1A47",
                "type": "color"
            },
            "900": {
                "value": "#25122B",
                "type": "color"
            }
        }
    }
}

Palettes built on #660583

Color Lab

Pairs with #660583

UI roles & guardrails

In real applications

Scales

Every model

Export